This standard specifies the test methods for assessing the resistance of coatings of paints and varnishes and related products to artificial weathering or lightfastness by exposure to artificial radiation. The most important parameters are stated and the conditions to be used in the exposure equipment are specified. This standard applies to the artificial accelerated determination of the weather resistance and light resistance of paint films.
GB/T 1865-1997 history
2009GB/T 1865-2009 Paints and varnishes.Artificial weathering and exposure to artificial radiation.Exposure to filtered xenon-arc radiation
1997GB/T 1865-1997 Paints and varnishes--Artificial weathering and exposure to artificial radiation--Filtered xenon-arc radiation